modified for new architecture

roles/slurm_sql_bk/defaults/main.yml

 ---
 # for slurm mysql backup
-SQL_BK_DIR: "/mnt/db_backup"
-SQL_BK_DEST_HOST: "m3-mgmt1"
-SQL_BK_DEST_DIR: "/mnt/home/slurm_db_backup"
-SQL_USER: "slurmsqlbk"
+MGMT_BIN_DIR: "/root/bin"
+SQL_BK_DATA_DIR: "/tmp"
+SQL_USER: "ec2-user"